-80.46% is the change from 824 to 161
Calculation steps:
[( 161 - 824 ) ÷ 824] x 100 = -80.46%
Formula
Percentage change = [(161 - 824) / 824] x 100
Subtract the new number by the original number
161 - 824 = -663
-663 ÷ 824 = -0.8046116504854369
-0.8046116504854369 x 100 = -80.46%